井延川

井延川 is 4 km long, and has a stream level of 1.

Map of 井延川

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井延川 flows into 筑後川 , which it joins at N 33° 20′ 54″, E 130° 47′ 18″ at OSM node n745479326, and there 1,256 km of total upstream flows in.

井延川 has 3 tributaries.

(unnamed), which joins it at N 33° 19′ 55″, E 130° 48′ 35″ at OSM node n745583391, and 3 km of total upstream flows in.

(unnamed), which joins it at N 33° 20′ 42″, E 130° 48′ 25″ at OSM node n745472527, and 1 km of total upstream flows in.

(unnamed), which joins it at N 33° 20′ 51″, E 130° 47′ 20″ at OSM node n745518696, and 135 m of total upstream flows in.